/*
 * Copyright 2024 LinQingYing. and contributors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * The use of this source code is governed by the Apache License 2.0,
 * which allows users to freely use, modify, and distribute the code,
 * provided they adhere to the terms of the license.
 *
 * The software is provided "as-is", and the authors are not responsible for
 * any damages or issues arising from its use.
 *
 */

package com.linqingying.cangjie.ide.completion.handlers

import com.linqingying.cangjie.ide.completion.DeclarationLookupObject
import com.linqingying.cangjie.renderer.render
import com.intellij.codeInsight.completion.InsertHandler
import com.intellij.codeInsight.completion.InsertionContext
import com.intellij.codeInsight.lookup.LookupElement

open class BaseDeclarationInsertHandler : InsertHandler<LookupElement> {
    override fun handleInsert(context: InsertionContext, item: LookupElement) {
        val name = (item.`object` as? DeclarationLookupObject)?.name
        if (name != null && !name.isSpecial) {
            val startOffset = context.startOffset
            if (startOffset > 0 && context.document.isTextAt(startOffset - 1, "`")) {
                context.document.deleteString(startOffset - 1, startOffset)
            }
            context.document.replaceString(context.startOffset, context.tailOffset, name.render())
        }
    }
}
